21.soar v. 高飞,翱翔
例句18.Inflation has sent food costs soaring.
例句19.A bird extends its wings when soaring.
22.Sole a. 单独的,唯一的
例句20.His sole aim is personal aggrandizement.
²isolation Emotional isolation
例句21.Living in complete isolation in the country.
²solo n. 独唱,独奏
23.solemn a 庄严的,严肃的,隆重的
24.solicitor n. 法官,律师
例句22.She is a qualified solicitor.
例句23.His solicitor is granted power of attorney.
25.solid n./a. 固体 a. 实心的,结实的 a. 稳固的,可靠的
²solidarity n. 团结